Home / 27,637.52-38,129.64-17,707.28

Finding the Fourth Proportional to 27,637.52, 38,129.64 and 17,707.28

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Solution

The fourth proportional to 27,637.52, 38,129.64 and 17,707.28 is: 24,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.52 : 38,129.64 = 17,707.28 : x
  2. Step 2: Convert to fraction form
    27,637.52/38,129.64 = 17,707.28/x
  3. Step 3: Cross multiply
    27,637.52x = 38,129.64 × 17,707.28
  4. Step 4: Simplify right side
    27,637.52x = 675,172,211.78
  5. Step 5: Solve for x
    x = 675,172,211.78/27,637.52
  6. Step 6: Final answer
    x = 24,429.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.